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Chapter 2 - Hardware Installation
Board Layout
JP39
JP7
PS/2 KB/MS
2
6
2
6
COM 1 RS232/Power Select (JP9)
USB 5-6
1
1
5
1
5
USB 2.0
COM 1
2
6
2
6
RS232/422/485
COM 1 RS232/422/485 Select (JP8)
Select (JP10)
1
5
1
5
4
1
8
5
COM1
+12V
VGA
Socket LGA1151
Power
PTN3355
DVI-I (DVI-D signal)
DP++
1
JP37
LAN 1
Intel I219LM
USB 1-2
USB 3.0
LAN 2
USB 3-4
Intel I211AT
USB 3.0
LAN 3-4
1
JP38
Intel I211AT
PCIe 1 (PCIe x16)
PCIe 2 (PCIe x4)
Intel I211AT
2
6
COM 2 RS232/422/485 Select (JP11)
PCIe 3 (PCIe x16)
1
5
Front
COM 2 RS232/Power Select (JP14)
Audio
2
10
6
5
Chassis Intrusion
2
1
2
1
PCIe 4 (PCIe x4)
1
9
Realtek ALC888S
(JP13)
(JP12)
6
5
6
5
COM 5
COM 6
COM 2
COM 3
COM 4
9
1
9
1
1
9
1
9
2
1
2
1
1
5
S/PDIF
2
2
2
2
COM 2 RS232/422/485 Select (JP12)
COM 2 RS232/422/485 Select (JP13)
Chapter 2 Hardware Installation
System Fan 2
1
4
1
3
CPU Fan
LPC
14
13
TPM (optional)
1
2
12
ATX Power
Standby
Power LED
1
Front Panel
M.2 M Key
(for KD331-Q170)
M.2 M Key Supports
LAN LED
Optane Memory
(for KD331-C236)
DDR4_1
DDR4_3
DDR4_2
DDR4_4
SATA 3.0
1
7
1
SATA 0
SATA 1
Battery
Intel
1
7
1
SATA 3
SATA 2
C236/Q170
1
7
JP1
SMBus
1
3
SATA 4
5
1
System
1
3
JP41
Nuvoton
Fan 1
NCT6106D
2
Buzzer
SPI Flash
BIOS
USB 3.0
USB 5-6
1
1
1
1
19
11
2
1
2
10
1
10
10
2
2
USB 9-10
USB 7-8
or Optional
JP40
Vertical USB
USB 2.0
Chapter 2
Important:
Electrostatic discharge (ESD) can damage your board, processor, disk drives, add-in
boards, and other components. Perform installation procedures at an ESD workstation
only. If such a station is not available, you can provide some ESD protection by wear-
ing an antistatic wrist strap and attaching it to a metal part of the system chassis. If
a wrist strap is unavailable, establish and maintain contact with the system chassis
throughout any procedures requiring ESD protection.
System Memory
Important:
When the Standby Power LED lights red, it indicates that there is power on the
24
system board. Power-off the PC then unplug the power cord prior to installing any de-
vices. Failure to do so will cause severe damage to the motherboard and components.
13
1
2
11
1
2
7
8
7
7
1
3
Features
DIO
•
Four 288-pin ECC DIMM up to 64GB (KD331-C236)
Four 288-pin DIMM up to 64GB (KD331-Q170)
•
Dual Channel DDR4 2133/2400 MHz
9
DDR4_4
DDR4_3
DDR4_2
DDR4_1
Standby Power LED
www.dfi.com
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